Home / 292,631.67-403,864.49-165,315.46

Finding the Fourth Proportional to 292,631.67, 403,864.49 and 165,315.46

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Solution

The fourth proportional to 292,631.67, 403,864.49 and 165,315.46 is: 228,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,631.67 : 403,864.49 = 165,315.46 : x
  2. Step 2: Convert to fraction form
    292,631.67/403,864.49 = 165,315.46/x
  3. Step 3: Cross multiply
    292,631.67x = 403,864.49 × 165,315.46
  4. Step 4: Simplify right side
    292,631.67x = 66,765,043,942.02
  5. Step 5: Solve for x
    x = 66,765,043,942.02/292,631.67
  6. Step 6: Final answer
    x = 228,153.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.